Lens Review: Canon 1.4x Extender EF IIBy
Andrew Alexander, The Imaging Resource
(Monday, October 3, 2011 - 10:22 EDT)At SLRgear.com we get this question a lot: what effect does a teleconverter have on image quality? We've wanted to run this test for a while now, and thanks to our friends at LensRentals.com, we have tested the Canon 1.4x Extender EF II on the 200mm f/2.8L II USM. Over the next few weeks we'll also be rolling out tests of the 2.0x Extender EF II, as well as the version III Extenders. For today however, click here to read our full review of the 1.4x EF II Extender.